1 | /* Copyright (C) 1995-2023 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <stdlib.h> |
19 | #include <string.h> |
20 | #include <limits.h> |
21 | |
22 | int |
23 | __seed48_r (unsigned short int seed16v[3], struct drand48_data *buffer) |
24 | { |
25 | /* Save old value at a private place to be used as return value. */ |
26 | memcpy (buffer->__old_x, buffer->__x, sizeof (buffer->__x)); |
27 | |
28 | /* Install new state. */ |
29 | buffer->__x[2] = seed16v[2]; |
30 | buffer->__x[1] = seed16v[1]; |
31 | buffer->__x[0] = seed16v[0]; |
32 | buffer->__a = 0x5deece66dull; |
33 | buffer->__c = 0xb; |
34 | buffer->__init = 1; |
35 | |
36 | return 0; |
37 | } |
38 | weak_alias (__seed48_r, seed48_r) |
39 | |